传统结肠切除需在术前作好充分肠道准备 ,包括肠内容物的排空和口服抗菌素的肠道消毒。这是结肠切除吻合的安全保证 ,尤其是左半结肠。当左半结肠癌发生急性梗阻时 ,无法用上法作术前准备。可否行一期吻合仍有不同意见 ,作者用一种术中快速肠减压及肠道消毒的方法 ,使急诊结肠 Traditional colon resection requires adequate bowel preparation before surgery, including emptying of intestinal contents and intestinal disinfection with oral antibiotics. This is a safety guarantee for colon resection and anastomosis, especially the left colon. When acute obstruction occurs in the left colon cancer, preoperative preparation cannot be performed. There is still disagreement as to whether one line of anastomosis can be performed. The author used an intraoperative fast bowel decompression and intestinal disinfection method to make emergency colon